code: def test_load_model(self):
      from sahi.models.yolov5 import Yolov5DetectionModel
  
      download_yolov5n_model()
  
      yolov5_detection_model = Yolov5DetectionModel(
          model_path=Yolov5TestConstants.YOLOV5N_MODEL_PATH,
          confidence_threshold=CONFIDENCE_THRESHOLD,
          device=MODEL_DEVICE,
          category_remapping=None,
          load_at_init=True,
      )
  
      self.assertNotEqual(yolov5_detection_model.model, None)
  
file_path: sahi/tests/test_yolov5model.py
imports: import unittest
  import numpy
  from sahi.utils.cv import read_image
  from sahi.utils.yolov5 import Yolov5TestConstants, download_yolov5n_model, download_yolov5s6_model
label_desc: Use image node_id 1 for calling the TestYolov5DetectionModel obj's underlying member method code with example usage: obj.test_load_model() without return types